RoA - Occular

Question 1

What is sclera of eye ?

Answer 1

Posterior 5/6th of eye
Tough fibrous tissue
Protects eye n maintains shape

Question 2

What is the cornea?

Answer 2

Anterior 1/6th of rye
Positioned in front of iris and pupil
Has extensive sensory nerves
Surface covered by tears from lacrimal gland

Question 3

What are the three chambers of eye

Answer 3

Anterior + posterior chamber (filled with aq humour)
Vitreas chamber (vitreas humour)

Question 4

What are the ocular delivery routes?

Answer 4

Cornea -main to reach aq humour

Periocular - bypass the conjunctional and corneal epithelium

Question 5

Elimination route via?

Answer 5

Aq humour into systemic oveoscleral circulation
Outflow from trabecular meshwork and schlemm’s canal
Eliminate from vitreous humour via diffusion into anterior chamber
Clearance via posterior route across blood rental barrier